Home / 1,086,345,757,211.80-1,499,236,379,829.40-629,722,126,589.15

Finding the Fourth Proportional to 1,086,345,757,211.80, 1,499,236,379,829.40 and 629,722,126,589.15

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Solution

The fourth proportional to 1,086,345,757,211.80, 1,499,236,379,829.40 and 629,722,126,589.15 is: 869,062,464,780.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,345,757,211.80 : 1,499,236,379,829.40 = 629,722,126,589.15 : x
  2. Step 2: Convert to fraction form
    1,086,345,757,211.80/1,499,236,379,829.40 = 629,722,126,589.15/x
  3. Step 3: Cross multiply
    1,086,345,757,211.80x = 1,499,236,379,829.40 × 629,722,126,589.15
  4. Step 4: Simplify right side
    1,086,345,757,211.80x = 944,102,321,365,988,310,777,856
  5. Step 5: Solve for x
    x = 944,102,321,365,988,310,777,856/1,086,345,757,211.80
  6. Step 6: Final answer
    x = 869,062,464,780.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.